{"title":"Distance Testing and Screening","description":"","products":[{"product_id":"256300","title":"Pediatric Fixation Cube on Handle – HOTV, LEA SYMBOLS® \u0026 Picture Targets, 16 in (40 cm), Single or Sets of 4 \/ 6","description":"\u003cp\u003eGood-Lite Fixation Cubes help hold a child's attention and fixation during near vision testing. Each cube sits on a color-coded handle, and all calibrations are for a 16 in (40 cm) testing distance.\u003c\/p\u003e\n\u003ch4\u003eChoose your cube\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrange handle (SKU 545010):\u003c\/strong\u003e cute animal pictures in bright orange. The center HOTV optotype on top is calibrated to 20\/40 (6\/12), and the outer HOTV optotype to 20\/200 (6\/60).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed handle (SKU 256300):\u003c\/strong\u003e pediatric pictures plus LEA SYMBOLS®. The center LEA SYMBOLS® optotype on top is 20\/40 (6\/12), and the outer one is 20\/200 (6\/60).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite handle (SKU 256400):\u003c\/strong\u003e all LEA SYMBOLS®. The top center optotype is 20\/40 (6\/12), the top outer one is 20\/200 (6\/60), and the side optotypes are 20\/125 (6\/38).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack handle (SKU 731011):\u003c\/strong\u003e all HOTV. The top center optotype is 20\/40 (6\/12), the top outer one is 20\/200 (6\/60), and the side optotypes are 20\/125 (6\/38).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen handle (SKU 731010):\u003c\/strong\u003e pediatric pictures plus HOTV. The top center HOTV optotype is 20\/40 (6\/12), and the outer one is 20\/200 (6\/60).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue handle (SKU 704500):\u003c\/strong\u003e Patch Cat characters (Patch Cat, Beautiful Amblyopia, Mr. Frog, Strabismouse and Mr. Owl) wearing occluding glasses, adhesive patches, slip-cover patches and pirate-style patches. The characters come from \u003cem\u003eThe Adventures of Patch Cat and Strabismouse\u003c\/em\u003e by J Snow, CO, illustrated by Sheena Hisiro.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 4 (SKU 256500):\u003c\/strong\u003e red, white, green and black cubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 6 (SKU 256600):\u003c\/strong\u003e all six cubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTypical users:\u003c\/strong\u003e pediatric eye care providers, orthoptists and school nurses.\u003c\/p\u003e\n\u003ch4\u003eAdditional resources\u003c\/h4\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Fixation: Cube with Pictures and LEA SYMBOLS® - Red Handle","offer_id":40102776209513,"sku":"256300","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube with LEA SYMBOLS® - White Handle","offer_id":32568067948649,"sku":"256400","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-Lite - Orange Handle","offer_id":32568068014185,"sku":"545010","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-lite - Blue Handle","offer_id":32568068046953,"sku":"704500","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-lite - Green Handle","offer_id":32568068079721,"sku":"731010","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-lite - Black Handle","offer_id":32568068112489,"sku":"731011","price":18.25,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-Lite, 2 with LEA®, Set of 4","offer_id":32799986483305,"sku":"256500","price":54.5,"currency_code":"USD","in_stock":true},{"title":"Fixation: Cube - Good-Lite, 2 with LEA®, Set of 6","offer_id":32568067981417,"sku":"256600","price":79.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-fixation-cube-good-lite-2-with-lea-set-of-6-fixation-cube-with-pictures-256600-1195555925.jpg?v=1759245571"},{"product_id":"250300","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA SYMBOLS® 15-Line Set (10ft\/3m)","description":"\u003cp\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e distance \u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003evisual acuity chart for an ETDRS Illuminator Cabinet like the \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV3000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e or \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESC2000™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e. Features proportionally spaced (logMAR); line sizes range from 10\/100 to 10\/4 (3\/30 to 3\/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. A response key and instructions are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e chart is screen printed on .010 thick styrene plastic making the chart more rigid. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUV coated for long-lasting durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions: 24.5\" x 25.5\" (62 cm x 65 cm).\u003c\/p\u003e\n\u003cp\u003eTesting distance: 10 feet\/3 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568066900073,"sku":"250300","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-250300-standard-lea-symbols-sup-sup-15-line-translucent-etdrs-style-distance-charts-250300-31306889166953.jpg?v=1712739546"},{"product_id":"250400","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 13-Line - 10ft\/3m","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e distance chart with proportionally spaced optotypes (logMAR); line sizes range from 10\/63 to 10\/4 (3\/19 to 3\/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 13-Line - Set (10ft\/3m)","offer_id":32568066965609,"sku":"250400","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 13-Line - Chart Only (10ft\/3m)","offer_id":32568066998377,"sku":"250401","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-250400-set-lea-symbols-sup-sup-13-line-translucent-distance-chart-250400-31346832048233.jpg?v=1709560441"},{"product_id":"250411","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced - US Notations (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e pediatric vision chart with proportionally spaced (logMAR) lines; line sizes range from 10\/63 to 10\/4 (20\/125 to 20\/8) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions. Features 10 ft and 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced - US Notations (10ft\/3m) - Set","offer_id":32568067031145,"sku":"250411","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced - US Notations (10ft\/3m) - Chart Only","offer_id":32568067063913,"sku":"250412","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-lea-symbols-proportional-spaced-chart-31305142698089.jpg?v=1708022337"},{"product_id":"251100","title":"Flip Book: LEA SYMBOLS® Low Contrast Test - 10M Symbols","description":"\u003cp\u003eA test for quickly measuring low contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% contrast by measuring the distance at which the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 meter, 0.05 at 0.5 meters and 0.3 at .3 meters. VA values are thus easy to calculate. This test includes a table for conversion to Snellen equivalent VA values. Includes a response key and 5 pages.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Flip Book: LEA SYMBOLS® Low Contrast Test - 10M Symbols - Standard Order","offer_id":32568067096681,"sku":"251100","price":129.5,"currency_code":"USD","in_stock":false},{"title":"Flip Book: LEA SYMBOLS® Low Contrast Test - 10M Symbols - Mixed Order","offer_id":41838029078633,"sku":"251200","price":129.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-flip-book-lea-symbols-low-contrast-test-10m-symbols-mixed-order-flip-book-lea-symbols-low-contrast-test-10m-symbols-251200-1210255349.jpg?v=1765086338"},{"product_id":"252100","title":"EyE Check: Flip Book with LEA SYMBOLS® - 20\/40 and 20\/50","description":"\u003cp\u003eA flipbook used at a 5-foot (1.5 meters) screening distance with single surrounded LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e. This chart meets the preferred practice recommendations from the National Expert Panel to the National Center for Children’s Vision and Eye Health at Prevent Blindness.\u003c\/p\u003e\n\u003cp\u003eDesigned for use by lay screeners, nurses, and others who screen children in Educational, community, public health, or primary health care settings.\u003c\/p\u003e\n\u003cp\u003eEach card contains a single LEA SYMBOLS® optotype surrounded by a 50%-spaced crowding bar. The attached measuring cord ensures a 5-foot (1.5 meters) screening distance between the flipbook cards and the child’s eyes.\u003c\/p\u003e\n\u003cp\u003eThe EyE Check Screener is available in 2 versions: one for children ages 3 years and one for children ages 4 and 5 years. The EyE Check Screeners are also available as a package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#252100\u003c\/strong\u003e – 20\/40 critical line screening for children ages 4 and 5 years. The flipbook begins with four 20\/80 cards to familiarize the child with the screening task and continues with eight 20\/40 cards for screening each eye monocularly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#252111\u003c\/strong\u003e – 20\/50 critical line screening for children ages 3 years. The flipbook begins with four 20\/80 cards to familiarize the child with the screening task and continues with eight 20\/50 cards for screening each eye monocularly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#252155\u003c\/strong\u003e – Package with both flipbook kits to screen children ages 3, 4, and 5 years.\u003c\/p\u003e\n\u003cp\u003eEach EyE Check Screener kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEyE Check Screener flipbook\u003c\/li\u003e\n\u003cli\u003eFun Frames Occluders\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eRecording form\u003c\/li\u003e\n\u003cli\u003eLap card for matching\u003c\/li\u003e\n\u003cli\u003e4 individual cards for matching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e13 offset pages for easy flipping.\u003c\/p\u003e\n\u003cp\u003eDimensions: 6.25” x 6.5” (15.9 cm x 16.1 cm).\u003c\/p\u003e\n\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\" data-mce-href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"EyE Check: Flip Book with LEA SYMBOLS® Kit - 20\/40 Line (5ft\/1.5m)","offer_id":32672604815465,"sku":"252100","price":84.0,"currency_code":"USD","in_stock":true},{"title":"EyE Check: Flip Book with LEA SYMBOLS® Kit - 20\/50 Line (5ft\/1.5m)","offer_id":32672604848233,"sku":"252111","price":84.0,"currency_code":"USD","in_stock":true},{"title":"EyE Check: Flip Book with LEA SYMBOLS® Kit - 20\/40 and 20\/50 Line (5ft\/1.5m)","offer_id":32672604881001,"sku":"252155","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-eye-check-flip-book-with-lea-symbols-kit-20-40-line-5ft-1-5m-eye-check-flip-book-with-lea-symbols-20-40-and-20-50-252100-1266837463.jpg?v=1794258070"},{"product_id":"252113","title":"EyE Check: Flip Book with LEA SYMBOLS® - 20\/32","description":"\u003cp\u003eThis flipbook is used at a 5-foot (1.5 meters) screening distance with single surrounded LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e optotypes. Meets preferred practice recommendations from the National Expert Panel to the National Center for Children’s Vision and Eye Health at Prevent Blindness.\u003c\/p\u003e\n\u003cp\u003eDesigned for use by lay screeners, nurses, and others who screen children in educational, community, public health, or primary health care settings.\u003c\/p\u003e\n\u003cp\u003eEach card contains a single LEA SYMBOLS® optotype surrounded by 50%-spaced crowding bars. The attached measuring cord ensures a 5-foot (1.5 meters) screening distance between the flipbook cards and the child’s eyes.\u003c\/p\u003e\n\u003cp\u003eThis Eye Check Screener is also available as a set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#252113 -\u003c\/strong\u003e Set includes 20\/32 Eye Check Screener Book, recording form, fun frame occluders, lap card for matching, and 4 individual cards for matching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e#252107 -\u003c\/strong\u003e 20\/32 critical line screening book for children ages 5 years and older. The flipbook begins with four 20\/80 cards to familiarize the child with the screening task and continues with eight 20\/32 cards for screening each eye monocularly.\u003c\/p\u003e\n\u003cp\u003e13 offset pages for easy flipping.\u003c\/p\u003e\n\u003cp\u003eDimensions: 6.25\" x 6.5\" (15.9 cm x 16.1 cm).\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\" data-mce-href=\"https:\/\/www.good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"EyE Check: Flip Book with LEA SYMBOLS® Kit - 20\/32 Line (5ft\/1.5m)","offer_id":32672603111529,"sku":"252113","price":80.75,"currency_code":"USD","in_stock":true},{"title":"EyE Check: Flip Book - 20\/32 - (Book with Cord Only) - used for 252113 (5ft\/1.5m)","offer_id":32672603144297,"sku":"252107","price":38.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-eye-check-flip-book-with-lea-symbols-kit-20-32-line-5ft-1-5m-eye-check-flip-book-with-lea-symbols-252113-1263887706.jpg?v=1792588331"},{"product_id":"252400","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS®","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e translucent distance chart with proportionally spaced optotypes (logMAR). Line sizes range from 10\/63 to 10\/4 (3\/19 to 3\/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. The set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - Set (10ft\/3m)","offer_id":32568067457129,"sku":"252400","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - Chart Only (10ft\/3m)","offer_id":32568067489897,"sku":"252401","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-lea-symbols-translucent-distance-esv1200-and-esv1500-chart-set-lea-symbols-translucent-distance-esv1200-and-esv1500-chart-252400-32461340508265.jpg?v=1732277136"},{"product_id":"253500","title":"Cards: Hiding Heidi® Low Contrast Face Test","description":"\u003cp\u003eVisual communication is the most important communication method during the first year of life. The ability to detect objects of low contrast is an important component of the visual system. For example, facial expressions are mediated by faint shadows and changes in the contours of the mouth and eyes. Determining the levels of contrast that an infant can detect helps provide baseline data for evaluating future changes. For example, deviations from usual behavior may indicate disorders that leave vision at high contrast levels unaffected. Instructions are included.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Hiding Heidi® Low Contrast Face Test is available in 2 different versions:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDouble Sided:\u003c\/strong\u003e Four cards printed on both sides in contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Sided:\u003c\/strong\u003e Seven cards printed on one side in contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Cards: Hiding Heidi® Low Contrast Face Test - Single Sided","offer_id":32568067588201,"sku":"253510","price":140.75,"currency_code":"USD","in_stock":true},{"title":"Cards: Hiding Heidi® Low Contrast Face Test - Double Sided","offer_id":32568067555433,"sku":"253500","price":129.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-cards-hiding-heidi-low-contrast-face-test-1251488463.jpg?v=1785345972"},{"product_id":"253700","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eA low contrast test is a special way to measure how well eyes function in low light situations and\/or are able to distinguish objects from similarly colored or shaded backgrounds. Testing is identical to the measurement of visual acuity at a high contrast level. The 2.5% test is the most practical in clinical use. Available in 5 contrast levels: 1.25%, 2.5%, 5%, 10%, and 25%. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Each chart includes a response key and instructions.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThese charts have line sizes ranging from 10\/63 to 10\/4 (3\/19 to 3\/1.2) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast - 1.25% Contrast (10ft\/3m)","offer_id":32568067620969,"sku":"253700","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast - 2.5% Contrast (10ft\/3m)","offer_id":32568067653737,"sku":"253800","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast - 5% Contrast (10ft\/3m)","offer_id":32568067686505,"sku":"253900","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast - 10% Contrast (10ft\/3m)","offer_id":32568067719273,"sku":"254000","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Low Contrast - 25% Contrast (10ft\/3m)","offer_id":32568067752041,"sku":"254100","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-253700-1-25-contrast-lea-symbols-sup-sup-translucent-low-contrast-charts-for-illuminated-cabinet-253700-31306889429097.jpg?v=1708104060"},{"product_id":"255000","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Linear Spaced","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e vision chart with linear-spaced lines; line sizes range from 10\/50 to 10\/5 (3\/15 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Linear Spaced - Set (10ft\/3m)","offer_id":32568067784809,"sku":"255000","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Linear Spaced - Chart Only (10ft\/3m)","offer_id":32568067817577,"sku":"255001","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-lea-symbols-linear-spaced-set-10ft-3m-chart-distance-esv1200-and-esv1500-lea-symbols-linear-spaced-255000-1210255344.jpg?v=1765086340"},{"product_id":"255100","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 12-Line","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eThis chart features proportionally spaced (logMAR); line sizes range from 13\/66 to 13\/5.2 (4\/20 to 4\/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Includes a response key and instructions.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 12-Line - Set (13ft\/4m)","offer_id":32568067850345,"sku":"255100","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® 12-Line - Chart Only (13ft\/4m)","offer_id":32568067883113,"sku":"255101","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-255100-set-lea-symbols-sup-sup-12-line-translucent-distance-chart-255100-31346832375913.jpg?v=1709560266"},{"product_id":"258500","title":"Chart(Distance): ESV1200™ and ESV1500™ - WVU","description":"\u003cp\u003eThis pediatric screening test was designed by the West Virginia Vision Initiative for Children for quick amblyopia screening. This pass\/fail wall chart contains two rows of LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e, one for each eye of critical line 10\/20 for 3 year olds and 10\/16 for 4 year olds and older. Includes a response key. Instructions are printed on the reverse side. \u003cspan data-mce-fragment=\"1\"\u003eHas a hole for hanging the chart on the wall.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - WVU - Set (10ft\/3m)","offer_id":32568068178025,"sku":"258500","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - WVU - Chart Only (10ft\/3m)","offer_id":32568068210793,"sku":"258501","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-258500-set-wvu-wall-chart-10-feet-3-meter-258500-31306890018921.jpg?v=1712738247"},{"product_id":"259100","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e Pediatric vision chart with 50% spaced rectangles (MASSTest Visual Acuity Test format). Line sizes range from 10\/40 to 10\/8 (3\/12 to 3\/2.4) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format - Set (10ft\/3m)","offer_id":32568068243561,"sku":"259100","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format - Chart Only (10ft\/3m)","offer_id":32568068276329,"sku":"259101","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-259100-set-lea-symbols-sup-sup-massachusetts-chart-259100-31306890051689.jpg?v=1712739795"},{"product_id":"259111","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format - US Notations","description":"\u003cp\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e pediatric \u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003evision chart with 10 foot and 20 foot notations only. Features 50% spaced rectangles (Massachusetts Visual Acuity Test format) with line sizes from 10\/40 to 10\/8 (20\/80 to 20\/16) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format - US Notations - Set (10ft\/3m)","offer_id":32568068309097,"sku":"259111","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® - MASSTest Format - US Notations - Chart Only (10ft\/3m)","offer_id":32568068341865,"sku":"259112","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-259111-set-lea-symbols-sup-sup-massachusetts-chart-with-10-and-20-ft-notations-only-259111-31306890084457.jpg?v=1761756059"},{"product_id":"259300","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced","description":"\u003cp\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e pediatric \u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003evision chart with 5 ft actual and 20 ft equivalent foot notations only. Features proportionally spaced (logMAR) lines; line sizes range from 5\/32 to 5\/2.5 (20\/125 to 20\/10) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced - Set (5ft\/1.5m)","offer_id":32568068374633,"sku":"259300","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA SYMBOLS® Proportional Spaced - Chart Only (5ft\/1.5m)","offer_id":32568068407401,"sku":"259301","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-lea-symbols-proportional-spaced-esv1200-and-esv1500-chart-set-lea-symbols-proportional-spaced-esv1200-and-esv1500-chart-259300-32461340541033.jpg?v=1732278037"},{"product_id":"259520","title":"Flip Book: Sight Line Handheld Vision Screening","description":"\u003cp\u003eThe Sight Line Handheld Vision Screening Flipbook from Good-Lite meets referral criteria from the National Expert Panel to the National Center for Children’s Vision and Eye Health (NCCVEH) at Prevent Blindness \u003ca href=\"https:\/\/nationalcenter.preventblindness.org\/vision-screening-recommendations\"\u003e(https:\/\/nationalcenter.preventblindness.org\/vision-screening-recommendations)\u003c\/a\u003e and is designed for use by lay screeners, nurses, and others who screen children in educational, community, public health, or primary health care settings. Sight Line, a critical line flipbook used at a 10-foot (3 meters) screening distance, includes NCCVEH-optotypes: LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e and Sloan Letters. Some cards have the optotypes surrounded by a 50%-spaced crowding box.\u003c\/p\u003e\n\u003cp\u003eThis critical line test of visual acuity includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 lines of 20\/50 for children ages 3 years for screening each eye monocularly.\u003c\/li\u003e\n\u003cli\u003e2 lines of 20\/40 for children ages 4 and 5 years for screening each eye monocularly.\u003c\/li\u003e\n\u003cli\u003e2 lines of 20\/32 for children ages 6 years and older for screening each eye monocularly.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Good-Lite","offers":[{"title":"Flip Book: Sight Line Handheld Vision Screening - Kit (10ft\/3m)","offer_id":32568068472937,"sku":"259522","price":123.75,"currency_code":"USD","in_stock":true},{"title":"Flip Book: Sight Line Handheld Vision Screening - Set (10ft\/3m)","offer_id":32568068440169,"sku":"259520","price":79.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-sight-line-handheld-vision-screening-flipbook-31306890313833.jpg?v=1737630960"},{"product_id":"270200","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line (13ft\/4m)","description":"\u003cp\u003eLEA NUMBERS\u003csup\u003e®\u003c\/sup\u003e ETDRS Distance Charts with proportionally spaced (logMAR) lines; line sizes ranging from 13\/131 to 13\/5.2 (4\/40 to 4\/1.6) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAvailable in three different versions of mixed\/scrambled order when repetitive testing is indicated. These charts fit in the \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv3000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ Standardized ETDRS illuminated cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and the \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esc2000\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLEA NUMBERS\u003csup\u003e®\u003c\/sup\u003e Standard Chart is also available in a thinner translucent chart that can be easily rolled up.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line (13ft\/4m)","offer_id":32568068669545,"sku":"270200","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Mixed Order 1 (13ft\/4m)","offer_id":32568068702313,"sku":"270200A","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Mixed Order 2 (13ft\/4m)","offer_id":32568068735081,"sku":"270200B","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® 15-Line - Roll-up (13ft\/4m)","offer_id":32568068767849,"sku":"270211","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-lea-numbers-15-line-13ft-4m-1200590826.jpg?v=1761851850"},{"product_id":"270400","title":"Flip Book: LEA NUMBERS® Low Contrast Test 10M","description":"\u003cp\u003eNow it is easy to measure, record, and detect changes in the transfer of visual information when the change only affects visual acuity at low contrast levels. These charts present numbers at the following contrast levels: 25%, 10%, 5%, 2.5%, and 1.25%. Each chart has 5 offset pages for easy flipping. Recording forms and instructions are included.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Flip Book: LEA NUMBERS® Low Contrast Test 10M - Standard Order","offer_id":32568068833385,"sku":"270400","price":129.5,"currency_code":"USD","in_stock":true},{"title":"Flip Book: LEA NUMBERS® Low Contrast Test 10M - Mixed Order","offer_id":32568068866153,"sku":"270500","price":129.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-vision-testing-aids-flip-book-lea-numbers-low-contrast-test-10m-mixed-order-flip-book-lea-numbers-low-contrast-test-10m-270500-1210255299.jpg?v=1765086228"},{"product_id":"271500","title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA low contrast test is a special way to measure how well eyes function in low light situations and\/or are able to distinguish objects from similarly colored or shaded backgrounds. Testing is identical to the measurement of visual acuity at high contrast levels. The 2.5% test is the most practical test in clinical use. These charts can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv1200\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv1500\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. Available in 5 Contrast levels: 1.25%, 2.5%, 5%, 10%, and 25%.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe line sizes on these charts range from 10\/63 to 10\/4 (3\/19 to 3\/1.2).\u003cbr\u003eThe other equivalents featured on these chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.\u003c\/p\u003e\n\u003cp\u003eIncludes recording forms and instructions.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - 1.25% Contrast (10ft\/3m)","offer_id":32568068898921,"sku":"271500","price":63.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - 2.5% Contrast (10ft\/3m)","offer_id":32568068931689,"sku":"271600","price":63.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - 5% Contrast (10ft\/3m)","offer_id":32568068964457,"sku":"271700","price":63.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - 10% Contrast (10ft\/3m)","offer_id":32568068997225,"sku":"271800","price":63.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - LEA NUMBERS® Low Contrast - 25% Contrast (10ft\/3m)","offer_id":32568069029993,"sku":"271900","price":63.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-lea-vision-tests-1-25-lea-numbers-translucent-contrast-chart-lea-numbers-translucent-contrast-chart-set-271500-1182503787.jpg?v=1774389939"},{"product_id":"274200","title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - (13ft\/4m)","description":"\u003cp\u003eETDRS low contrast LEA NUMBERS® vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13\/131 to 13\/5.2 (4\/40 to 4\/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 contrast levels: 2.5% and 10%.\u003cspan data-preserver-spaces=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNote: These charts can only be used with our \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esv3000\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/good-lite.com\/products\/esc2000\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e illuminated ETDRS cabinets.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/good-lite.com\/pages\/lea-symbols-the-gold-standard\"\u003eLEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e: The Gold Standard\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - 2.5% Contrast (13ft\/4m)","offer_id":32568069062761,"sku":"274200","price":129.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - LEA NUMBERS® ETDRS Low Contrast - 10% Contrast (13ft\/4m)","offer_id":32568069095529,"sku":"274300","price":129.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-lea-numbers-etdrs-low-contrast-13ft-4m-1210255339.jpg?v=1765086216"},{"product_id":"500013","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Chart R (13ft\/4m)","description":"\u003cp\u003eDesigned for standardized visual acuity assessment, including \u003cstrong\u003eBest Corrected Visual Acuity (BCVA)\u003c\/strong\u003e, this Original Series ETDRS chart uses proportionally spaced lines in the established ETDRS\/LogMAR format for accurate and repeatable visual acuity measurement. Line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent, with letter size, 20-foot, 6-meter, decimal, and LogMAR equivalents.\u003c\/p\u003e\u003cp\u003eThe standardized format has been used in National Eye Institute clinical studies and in low vision evaluations requiring consistent visual acuity measurement.\u003c\/p\u003e\u003cp\u003eAvailable in two versions. The \u003cstrong\u003eStandard ETDRS\u003c\/strong\u003e chart is printed on .01 thick styrene plastic for rigidity, while the \u003cstrong\u003eRoll-Up ETDRS\u003c\/strong\u003e chart uses .015 thick styrene plastic for convenient transport and storage. Both are UV coated for long-lasting durability.\u003c\/p\u003e\u003cp\u003eThe Standard version is compatible with the \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/a\u003e and \u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/a\u003e.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart R (13ft\/4m)","offer_id":32665252855913,"sku":"500013","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Roll-Up - Chart R (13ft\/4m)","offer_id":32665252888681,"sku":"511113","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-chart-r-13ft-4m-chart-distance-esv3000-and-esc2000-etdrs-original-series-chart-r-13ft-4m-500013-1234931557.jpg?v=1777548490"},{"product_id":"500014","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Chart 1 (13ft\/4m)","description":"\u003cp\u003eDesigned for standardized visual acuity assessment, including \u003cstrong\u003eBest Corrected Visual Acuity (BCVA)\u003c\/strong\u003e, this Original Series ETDRS Chart 1 uses proportionally spaced lines in the established ETDRS\/LogMAR format for accurate and repeatable visual acuity measurement. Line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent, with letter size, 20-foot, 6-meter, decimal, and LogMAR equivalents.\u003c\/p\u003e\u003cp\u003eThe standardized format has been used in National Eye Institute clinical studies and in low vision evaluations requiring consistent visual acuity measurement.\u003c\/p\u003e\u003cp\u003eAvailable in two versions. The \u003cstrong\u003eStandard ETDRS\u003c\/strong\u003e chart is printed on .01 thick styrene plastic for rigidity, while the \u003cstrong\u003eRoll-Up ETDRS\u003c\/strong\u003e chart uses .015 thick styrene plastic for convenient transport and storage. Both are UV coated for long-lasting durability.\u003c\/p\u003e\u003cp\u003eCompatible with the \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/a\u003e and \u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/a\u003e.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter  - Chart 1 (13ft\/4m)","offer_id":32665251184745,"sku":"500014","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Roll-Up - Chart 1 (13ft\/4m)","offer_id":32665251217513,"sku":"511114","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-original-series-sloan-letter-chart-1-13ft-4m-chart-distance-esv3000-and-esc2000-etdrs-original-series-chart-1-13ft-4m-500014-1234931555.jpg?v=1777548313"},{"product_id":"500022","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast (13ft\/4m)","description":"\u003cp\u003eETDRS low contrast Sloan Letter vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent.The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 5 contrast levels: 1.25%, 2.5%, 5%, 10% and 25%.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: These charts can only be used with our \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\"\u003eESV3000™\u003c\/a\u003e or \u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\"\u003eESC2000™\u003c\/a\u003e illuminated ETDRS cabinets.\u003c\/b\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500022AnswerKey.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 1.25% Contrast (13ft\/4m)","offer_id":32568070963305,"sku":"500022","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 2.5% Contrast (13ft\/4m)","offer_id":32568070897769,"sku":"500021","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 2.5% Contrast - Mixed Order (13ft\/4m)","offer_id":42814679253097,"sku":"500021A","price":82.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 5% Contrast (13ft\/4m)","offer_id":32568070865001,"sku":"500020","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 10% Contrast (13ft\/4m)","offer_id":32568070832233,"sku":"500019","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast - 25% Contrast (13ft\/4m)","offer_id":32568070996073,"sku":"500023","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-etdrs-sloan-letter-low-contrast-1216581431.jpg?v=1768418229"},{"product_id":"500025","title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS (13ft\/4m)","description":"\u003cp\u003eThe ESV3000™ and ESC2000™ HOTV ETDRS Chart is designed for standardized visual acuity testing at 13 ft \/ 4 m using the HOTV optotype format.\u003c\/p\u003e\n\u003cp\u003eThis chart uses only the letters H, O, T, and V, making it especially useful for testing young children, non-readers, and patients who benefit from letter-matching with a response key card. The simplified optotype set helps support accurate, repeatable testing while reducing the need for full letter recognition.\u003c\/p\u003e\n\u003cp\u003eDesigned for use with the ESV3000™ and ESC2000™ vision testing systems, this HOTV ETDRS chart provides a structured format for distance visual acuity testing in clinical, pediatric, and screening environments.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv3000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\" class=\"editor-rtfLink\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS - Original Order (13ft\/4m)","offer_id":32568071028841,"sku":"500025","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - HOTV ETDRS  - Random Order (13ft\/4m)","offer_id":32568071061609,"sku":"500034","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-hotv-etdrs-1210255338.jpg?v=1765086103"},{"product_id":"500038","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter (6ft\/2m)","description":"\u003cp\u003eOriginal Series ETDRS Distance Charts made for 6.5ft\/2m testing distance. Features optotypes with proportionally spaced (logMAR) lines; line sizes range from 6.5\/65 to 6.5\/3.2 (2\/20 to 2\/1) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These are part of the revised versions of the original ETDRS series based on more recent research.\u003c\/p\u003e\n\u003cp\u003eAvailable variants are Chart R (500038), Chart 1 (500039), and Chart 2 (500040), as well as a set of all three charts (500038-09-2).\u003c\/p\u003e\n\u003cp\u003eAll charts are screen printed on styrene plastic and clear coated for long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Set of 3 (6.5ft\/2m)","offer_id":47736404082793,"sku":"500038-09-2","price":178.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart R (6.5ft\/2m)","offer_id":32568071094377,"sku":"500038","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart 1 (6.5ft\/2m)","offer_id":32568071127145,"sku":"500039","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Original Series - Sloan Letter - Chart 2 (6.5ft\/2m)","offer_id":32568071159913,"sku":"500040","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-original-series-esv3000-and-esc2000-sloan-letter-2m-1171897246.jpg?v=1749260026"},{"product_id":"500041","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter","description":"\u003cp\u003e2000 Series ETDRS Distance Charts made for 6.5ft \/ 2m testing distance. Optotypes are in proportionally spaced (logMAR) lines; line sizes range from 6.5\/65 to 6.5\/3.2 (2\/20 to 2\/1) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are part of the revised original ETDRS series based on more recent research. On the revised versions of the original ETDRS series charts, each line is equally difficult.\u003c\/p\u003e\n\u003cp\u003eCharts available are ETDRS Chart 1, Chart 2, and Chart 3. All charts are screen printed on styrene plastic and clear coated for long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (6.5ft\/2m)","offer_id":32568071192681,"sku":"500041","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 2 (6.5ft\/2m)","offer_id":32568071225449,"sku":"500042","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 3 (6.5ft\/2m)","offer_id":32568071258217,"sku":"500043","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-2000-series-esv3000-and-esc2000-2m-1171897230.jpg?v=1749259790"},{"product_id":"500070","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\"","description":"\u003cp\u003e8 Position Landolt C clinical trial charts with openings at the up, down, left, and right angles. Each angle is 45º. Features proportionally spaced (geometric progression) lines; line sizes range from 13\/131 to 13\/6.5 (4\/40 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 scrambled versions for those that are performing repetitive vision testing.\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\" (13ft\/4m)","offer_id":32568071290985,"sku":"500070","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\" - Mixed Order (13ft\/4m)","offer_id":32568071323753,"sku":"500071","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-clinical-trial-esv3000-and-esc2000-8-position-landolt-c-charts-4m-1171897191.jpg?v=1749259315"},{"product_id":"500072","title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - 8 Position Landolt \"C\"","description":"\u003cp\u003eAn 8 Position Landolt C clinical trial chart with openings at the up, down, left, and right angles. Each angle is 45º. Features proportionally spaced (geometric progression) lines; line sizes range from 10\/100 to 10\/5 (3\/30 to 3\/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 2 scrambled versions for those that are performing repetitive vision testing.\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv3000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV3000™ ETDRS Clinical Trial Standardized Viewer\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esc2000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESC2000™ Illuminated ETDRS Clinical Trial Cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e compatible.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eAddtional Resources\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/500072AnswerKey.pdf\" target=\"_blank\"\u003eClick here for the 500073-01-3 (previously 500072) Answer Key.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.good-lite.com\/pages\/what-is-etdrs\" target=\"_blank\"\u003eWhat is ETDRS?\u003c\/a\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Clinical Trial - 8 Position Landolt \"C\" - Mixed Order - Chart 1 (13ft\/4m)","offer_id":32568071389289,"sku":"500072","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - ETDRS Clinical Trial - 8 Position Landolt \"C\" - Mixed Order (13ft\/4m)","offer_id":32568071422057,"sku":"500073","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-etdrs-clinical-trial-esv3000-and-esc2000-landolt-c-charts-3m-1171897193.jpg?v=1749259420"},{"product_id":"500330","title":"Chart(Distance): ESV3000™ and ESC2000™ - Evans Letter Low Contrast Test (ELCT)","description":"\u003cp\u003eThe Evans Letter Contrast Test (ELCT) chart is the first standardized test for letter contrast. The ELCT chart is designed to be used with either the \u003ca href=\"https:\/\/www.good-lite.com\/collections\/esv3000\/products\/esv3000\"\u003eESV3000™\u003c\/a\u003e or \u003ca href=\"https:\/\/www.good-lite.com\/products\/esc2000\"\u003eESC2000™\u003c\/a\u003e providing consistent lighting for improved testing results. The ELCT chart presents Sloan Letter, optotypes line size of 20\/630 with a testing distance of 1m. The varying contrast in sets of 3 letters of equal contrast level. All triplets are balanced for letter difficulty and differ in contrast by 0.15 log contrast step.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eELCT Chart 1\u003c\/strong\u003e contains 12 contrast levels ranging from standard 100% acuity to 1.65 log contrast or 2.24% contrast level. Studies show that 1.65 log contrast is the average letter contrast for the normal older population. (Weber Contrast calculation).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eELCT Chart 2\u003c\/strong\u003e presents 4 contrast levels from 1.8 to 2.25 log contrast.\u003c\/p\u003e\n\u003cp\u003eSet includes both Chart 1 and Chart 2.\u003c\/p\u003e\n\u003cp\u003eDimensions: Height 24.5\" x Width 25.5\" (62 cm x 65 cm).\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV3000™ and ESC2000™ - Evans Letter Low Contrast Test (ELCT) - Set (39\"\/1m)","offer_id":32568071454825,"sku":"500330","price":1942.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - Evans Letter Low Contrast Test (ELCT) - Chart 1 (39\"\/1m)","offer_id":32568071487593,"sku":"500331","price":1291.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV3000™ and ESC2000™ - Evans Letter Low Contrast Test (ELCT) - Chart 2 (39\"\/1m)","offer_id":32568071520361,"sku":"500332","price":645.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv3000-and-esc2000-evans-letter-low-contrast-test-elct-1195577414.jpg?v=1759259981"},{"product_id":"600001","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn HOTV distance chart featuring crowded line sizes from 10\/50 to 10\/8 (20\/100 to 20\/16) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions. Features 10 ft and 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded - Chart Set (10ft\/3m)","offer_id":32672382124137,"sku":"600001","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded - Chart Only (10ft\/3m)","offer_id":32672382156905,"sku":"600724","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-crowded-chart-set-10ft-3m-chart-distance-esv1200-and-esv1500-hotv-crowded-10ft-3m-600001-1210255320.jpg?v=1765085850"},{"product_id":"600006","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded (20ft\/6m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn HOTV vision chart with crowded line sizes ranging from 20\/80 to 20\/16. This chart can either be wall mounted or used in an \u003cmeta charset=\"UTF-8\"\u003e \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003eESV1200™\u003c\/a\u003e, \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003eESV1500™\u003c\/a\u003e\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eModel A+\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e illuminated cabinet. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFeatures 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded - Chart Set (20ft\/6m)","offer_id":32672375308393,"sku":"600006","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Crowded - Chart Only (20ft\/6m)","offer_id":32672375341161,"sku":"600731","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-crowded-chart-set-20ft-6m-chart-distance-esv1200-and-esv1500-hotv-crowded-20ft-6m-600006-1210255314.jpg?v=1765085732"},{"product_id":"600017","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Linear Spaced (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn HOTV distance chart with linear-spaced lines; line sizes range from 10\/50 to 10\/8 (20\/100 to 20\/16) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, flash cards, and instructions.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eFeatures 10 ft and 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Linear Spaced - Chart Set (10ft\/3m)","offer_id":32672373637225,"sku":"600017","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Linear Spaced - Chart Only (10ft\/3m)","offer_id":32672373669993,"sku":"600717","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-linear-spaced-chart-set-10ft-3m-chart-distance-esv1200-and-esv1500-hotv-linear-spaced-10ft-3m-600017-1210255311.jpg?v=1765085734"},{"product_id":"600018","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Propotionally Spaced (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn HOTV distance chart with proportionally spaced (logMAR) lines; line sizes range from 10\/80 to 10\/8 (20\/160 to 20\/16) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or Model A+ illuminated cabinet. Set includes the chart, a response panel, and instructions. This chart features 10 ft, and 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Proportionally Spaced - Chart Set (10ft\/3m)","offer_id":32672370524265,"sku":"600018","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Proportionally Spaced - Chart Only (10ft\/3m)","offer_id":32672370557033,"sku":"600736","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-proportionally-spaced-chart-set-10ft-3m-chart-distance-esv1200-and-esv1500-hotv-propotionally-spaced-10ft-3m-600018-1210255308.jpg?v=1765085737"},{"product_id":"600311","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV MASSTest Format (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn HOTV distance chart with 50% spaced rectangles (Massachusetts Visual Acuity Test format). Line sizes range from 10\/50 to 10\/8 (20\/100 to 20\/16) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Features 10 ft and 20 ft notations only. Set includes the chart, a response key, and instructions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV MASSTest Format - Chart Set (10ft\/3m)","offer_id":32568074043497,"sku":"600311","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV MASSTest Format - Chart Only (10ft\/3m)","offer_id":32568074076265,"sku":"600312","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-cabinets-and-charts-hotv-distance-esv1200-and-esv1500-chart-masstest-set-hotv-distance-esv1200-and-esv1500-chart-masstest-600311-1182131986.jpg?v=1753730499"},{"product_id":"600739","title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Proportionally Spaced (13ft\/4m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eSloan Letter translucent distance vision charts with proportionally spaced (logMAR) lines; line sizes range from 13\/83 to 13\/6.5 (4\/25 to 4\/2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in 2 different \"scrambled\" versions when repetitive testing is involved.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e600739 13\/83 line is \u003cstrong\u003eH N R\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e600762 13\/83 line is \u003cstrong\u003eC N R\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Proportionally Spaced - Mixed Order 1 (13ft\/4m)","offer_id":33090108719209,"sku":"600739","price":28.5,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Proportionally Spaced - Mixed Order 2 (13ft\/4m)","offer_id":33090108751977,"sku":"600762","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-600739-mixed-order-1-sloan-letter-proportionally-spaced-distance-charts-600739-31307001397353.jpg?v=1712740642"},{"product_id":"600754","title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast (10ft\/3m)","description":"\u003cp\u003eDesigned for \u003cstrong\u003eLow Contrast Visual Acuity (LCVA)\u003c\/strong\u003e assessment, these Sloan Letter charts measure the smallest optotype size a patient can recognize under reduced-contrast conditions. Low-contrast visual acuity testing complements high-contrast visual acuity and \u003cstrong\u003eBest Corrected Visual Acuity (BCVA)\u003c\/strong\u003e assessment by providing additional information about visual performance when contrast is reduced.\u003c\/p\u003e\u003cp\u003eAvailable in \u003cstrong\u003e25%, 10%, 5%, 2.5%, and 1.25% contrast\u003c\/strong\u003e. Line sizes range from 10\/80 to 10\/5 (3\/42 to 3\/1.5) equivalent, with letter size, 20-foot, 6-meter, decimal, and LogMAR notations. The 2.5% chart is commonly used for clinical low-contrast assessment.\u003c\/p\u003e\u003cp\u003eEach chart includes recording forms and instructions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Charts may be wall mounted or used with the \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003eESV1200™\u003c\/a\u003e, \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003eESV1500™\u003c\/a\u003e, or Model A+ illuminated cabinet.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 25% Contrast (10ft\/3m)","offer_id":32568074207337,"sku":"600750","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 10% Contrast (10ft\/3m)","offer_id":32568074240105,"sku":"600751","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 5% Contrast (10ft\/3m)","offer_id":32568074272873,"sku":"600752","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 2.5% Contrast (10ft\/3m)","offer_id":32568074305641,"sku":"600753","price":62.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Low Contrast - 1.25% Contrast (10ft\/3m)","offer_id":32568074338409,"sku":"600754","price":62.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-600754-1-25-contrast-sloan-letter-low-contrast-charts-600754-31306931830889.jpg?v=1712740584"},{"product_id":"600755","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Propotionally Spaced (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eAn HOTV translucent chart with proportionally spaced (logMAR) lines; line sizes range from 10\/63 to 10\/5 (20\/125 to 20\/10) equivalent. This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1200\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1500\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e, or a Model A+ illuminated cabinet. The set includes the chart and a response key.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eFeatures 10 ft and 20 ft notations only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Proportionally Spaced - Translucent - Chart Set (10ft\/3m)","offer_id":32664894275689,"sku":"600005","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Proportionally Spaced - Translucent - Chart Only (10ft\/3m)","offer_id":32664894242921,"sku":"600755","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-proportionally-spaced-chart-set-10ft-3m-chart-distance-esv1200-and-esv1500-hotv-propotionally-spaced-10ft-3m-600005-1210255317.jpg?v=1765085259"},{"product_id":"600758","title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Pediatric (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eAn HOTV pediatric eye chart featuring proportionally spaced lines. Line sizes range from 10\/80 to 10\/8 (20\/160 to 20\/16) equivalent. Lines 10\/20 through 10\/8 break out into two columns for repetitive or monocular vision testing (left eye\/right eye). This chart can either be wall mounted or used in an \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1200\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1200™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1500\" class=\"editor-rtfLink\" data-mce-fragment=\"1\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003eESV1500™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\" data-mce-fragment=\"1\"\u003e, or a Model A+ illuminated cabinet. Set includes the chart, a response key, and instructions. Features 10 ft and 20 ft notations only.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Pediatric - Chart Set (10ft\/3m)","offer_id":32568074436713,"sku":"600759","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1200™ and ESV1500™ - HOTV Pediatric - Chart Only (10ft\/3m)","offer_id":32568074403945,"sku":"600758","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1200-and-esv1500-hotv-pediatric-chart-set-10ft-3m-chart-distance-esv1200-and-esv1500-hotv-pediatric-10ft-3m-600759-1219799616.jpg?v=1770643210"},{"product_id":"607600","title":"Flip Book:  Low Vision Chart Stands","description":"\u003cp\u003eThese Floor and Table Stands provide a convenient way to display LEA NUMBERS\u003csup\u003e®\u003c\/sup\u003e and SYMBOLS\u003csup\u003e®\u003c\/sup\u003e Low Vision Charts (bound from the top). No more propping the charts up on a chair! Changing out from NUMBERS\u003csup\u003e®\u003c\/sup\u003e to SYMBOLS\u003csup\u003e®\u003c\/sup\u003e is easy and quick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Floor Stand\u003c\/strong\u003e has a 10\" (27 cm) base and takes the top of the chart from 48\" to 76\" (123 cm to 194 cm).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Table Top Stand\u003c\/strong\u003e has a 6\" (15 cm) base and adjusts the top of the chart from 23\" to 26\" (58 cm to 66.7 cm).\u003c\/p\u003e\n\u003cp\u003eCharts for the stands are sold separately.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Flip Book:  Low Vision Chart Stands - Floor Stand","offer_id":32665148293225,"sku":"607500","price":259.0,"currency_code":"USD","in_stock":true},{"title":"Flip Book:  Low Vision Chart Stands -Table Top","offer_id":32665148260457,"sku":"607600","price":162.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-low-vision-chart-stands-floor-stand-low-vision-chart-stands-607500-32461378650217.jpg?v=1732276612"},{"product_id":"800004","title":"Chart(Distance): ESV1018™ - HOTV Crowded","description":"\u003cp\u003eThe ESV1018™ HOTV Crowded Distance Chart is a translucent distance eye chart featuring crowded HOTV optotypes. Line sizes range from 10\/80 to 10\/8 (3\/24 to 3\/2.4) equivalent, with both 10 ft and 20 ft testing notations. The chart can be used in an illuminated ESV1018™ cabinet or hung on the wall for distance visual acuity testing.\u003c\/p\u003e\n\u003ch3\u003eChoose Your Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet – Includes the HOTV Crowded Distance Chart, response key, and instructions.\u003c\/li\u003e\n\u003cli\u003eChart Only – Includes the HOTV Crowded Distance Chart only for use with an existing \u003ca href=\"https:\/\/www.good-lite.com\/products\/esv1018\"\u003eESV1018™ cabinet\u003c\/a\u003e or compatible setup.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1018™ - HOTV Crowded - Set","offer_id":32665089572969,"sku":"800004","price":55.75,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1018™ - HOTV Crowded - Chart Only (10ft\/3m)","offer_id":32665089605737,"sku":"800726","price":36.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-illuminated-charts-chart-distance-esv1018-hotv-crowded-set-chart-distance-esv1018-hotv-crowded-800004-1219799613.jpg?v=1770643090"},{"product_id":"800722","title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - (10ft\/3m)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e pediatric distance chart with proportionally spaced lines; line sizes range from 10\/100 to 10\/4 (3\/30 to 3\/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can be used in the illuminated \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1018\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eESV1018™\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e cabinet or hung on the wall. Chart Set includes a response key and instructions along with the chart.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - Set (10ft\/3m)","offer_id":32568080072809,"sku":"800722","price":59.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - Chart Only (10ft\/3m)","offer_id":32568080040041,"sku":"800721","price":36.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-lea-symbols-proportional-distance-chart-10-lea-symbols-proportional-distance-chart-set-10-800721-1177343988.jpg?v=1752168339"},{"product_id":"800724","title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - (20ft\/6m)","description":"\u003cp\u003eA LEA SYMBOLS\u003csup\u003e®\u003c\/sup\u003e pediatric \u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eeye chart with proportionally spaced (logMAR) lines; line sizes range from 20\/80 to 20\/8 (6\/24 to 6\/2.4). The other equivalents featured on this chart are decimal and LogMAR. This chart can be used in an illuminated \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/esv1018\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003eESV1018\u003c\/span\u003e\u003c\/a\u003e™\u003cspan data-mce-fragment=\"1\" data-preserver-spaces=\"true\"\u003e cabinet or hung on the wall. Chart Set includes a response key and instructions along with the chart.\u003c\/span\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - Set (20ft\/6m)","offer_id":32568080138345,"sku":"800724","price":59.25,"currency_code":"USD","in_stock":true},{"title":"Chart(Distance): ESV1018™ - LEA SYMBOLS® Proportional - Chart Only (20ft\/6m)","offer_id":32568080105577,"sku":"800723","price":36.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-lea-symbols-proportional-distance-esv1018-chart-set-lea-symbols-proportional-distance-esv1018-chart-800724-32461346898025.jpg?v=1763661299"},{"product_id":"904034","title":"Insta-Line Quantum LED: LEA SYMBOLS® Combination Distance and Near Chart - (10ft\/3m)-(16\"\/40cm)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA \u003cmeta charset=\"UTF-8\"\u003eLEA SYMBOLS\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e Insta-Line chart that easily screens both near and distance vision with one chart using the \u003c\/span\u003e\u003ca class=\"editor-rtfLink\" href=\"https:\/\/www.good-lite.com\/products\/914000\" target=\"_blank\"\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInsta-Line illuminated cabinet\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe near vision screening portion features 2 lines of linear-spaces optotypes in the following size equivalents: 20\/200, 20\/40, and 20\/32. The near vision portion also contains 2 columns of proportionally spaced characters with size equivalents of 20\/50 to 20\/16.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe distance screening portion for 10 feet (3 meters) features 2 lines of linear-spaced optotypes in the following size equivalents: 20\/40, 20\/32, 20\/25, and 20\/20.\u003c\/p\u003e\n\u003cp\u003eDimensions: 9\" x 14\" (22.9 cm x 35.6 cm).\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e904034\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is a set that includes a response key, an RCD overlay, and instructions along with the chart.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e904033\u003c\/b\u003e includes an RCD overlay and the chart.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Insta-Line Quantum LED: LEA SYMBOLS® Combination Distance and Near Chart - Set (10ft\/3m)-(16\"\/40cm)","offer_id":32568080793705,"sku":"904034","price":54.5,"currency_code":"USD","in_stock":true},{"title":"Insta-Line Quantum LED: LEA SYMBOLS® Combination Distance and Near Chart - Chart and Remote Control Overlay (10ft\/3m)-(16\"\/40cm)","offer_id":32568080760937,"sku":"904033","price":38.75,"currency_code":"USD","in_stock":true},{"title":"Insta-Line Quantum LED: LEA SYMBOLS® Combination Distance and Near Chart - Chart Only (10ft\/3m)-(16\"\/40cm)","offer_id":32568080728169,"sku":"900713","price":36.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-lea-symbols-combination-distance-and-near-chart-chart-only-lea-symbols-combination-distance-and-near-chart-900713-32461347356777.jpg?v=1732276432"},{"product_id":"100000","title":"Flip Book: VIC Preschool Vision Screening LEA SYMBOLS® - Kit (10ft\/3m)","description":"\u003cp\u003eSince 2001, the \u003cstrong\u003eWest Virginia Vision Initiative for Children (VIC)\u003c\/strong\u003e, an outreach program of the West Virginia University Eye Institute, has trained, equipped, and supported individuals who are now able to screen preschoolers for vision problems. VIC is now making this easy kit available to others involved with screening the vision of preschoolers.\u003c\/p\u003e\n\u003cp\u003eThe handheld flip chart included features \u003cstrong\u003eLEA SYMBOLS\u003c\/strong\u003e\u003cstrong\u003e\u003csup\u003e®\u003c\/sup\u003e\u003c\/strong\u003e and \u003cstrong\u003eHOTV\u003c\/strong\u003e optotypes for screening children ages preschool through grade 12. The background is gray with the exception of a white rectangle spaced at 50% surrounding each line of symbols. Contains one practice line of 20\/80 and critical line sizes of 20\/40 and 20\/32.\u003c\/p\u003e\n\u003cp\u003ePreschool Vision Screening Kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHandheld LEA SYMBOLS\u003csup\u003e® \u003c\/sup\u003eand HOTV flip chart for screening children, ages preschool through grade 12\u003c\/li\u003e\n\u003cli\u003e10ft\/3m Cord to measure testing distance\u003c\/li\u003e\n\u003cli\u003eFun Frame Tiger Occluder glasses\u003c\/li\u003e\n\u003cli\u003eResponse Panel and Flash Cards\u003c\/li\u003e\n\u003cli\u003eScreening directions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTesting distance: 10 feet\/3 meters.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568082759785,"sku":"100000","price":87.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-vic-flip-chart-preschool-vision-screening-kit-100000-32280081039465.jpg?v=1732282356"},{"product_id":"109000","title":"Dominant Eye Test Card","description":"\u003cp\u003eThe Dominant Eye test card quickly and easily determines a patient's dominant eye. Screen printed on long-lasting styrene plastic with instructions right on the card.\u003cbr\u003e\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32568085151849,"sku":"109000","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-co-dominant-eye-test-card-109000-32461348012137.jpg?v=1763581270"},{"product_id":"110","title":"AAPOS: Nurses Near and Distance Vision Kit - LEA SYMBOLS® and LEA NUMBERS® (10ft\/3m)-(16\"\/40cm)","description":"\u003cp\u003eThe \u003cstrong\u003eNear\/Distance Vision Screening Kit by AAPOS, Good-Lite \u0026amp; School Health\u003c\/strong\u003e is a portable, lightweight, and easy-to-use solution for screening distance and near visual acuity in preschool and school-aged children.\u003c\/p\u003e\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cp\u003e4 Double-Sided 10-Foot Distance Eye Charts (SKU: 000100)\u003cbr\u003eIncludes 8 lines of optotypes: 20\/100, 20\/63, 20\/50, 20\/40, 20\/32, 20\/25, 20\/20, and 20\/16, with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLEA SYMBOLS®\u003c\/li\u003e\n\u003cli\u003eLEA NUMBERS®\u003c\/li\u003e\n\u003cli\u003eHOTV\u003c\/li\u003e\n\u003cli\u003eSloan Letters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e4 Double-Sided 16-Inch Near Vision Charts\u003cbr\u003eIncludes 10 lines of optotypes: 20\/200, 20\/100, 20\/80, 20\/63, 20\/50, 20\/40, 20\/32, 20\/25, 20\/20, and 20\/16, with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLEA SYMBOLS®\u003c\/li\u003e\n\u003cli\u003eLEA NUMBERS®\u003c\/li\u003e\n\u003cli\u003eHOTV\u003c\/li\u003e\n\u003cli\u003eSloan Letters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAlso Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDouble-sided response panel with LEA SYMBOLS® and HOTV optotypes for matching\u003c\/li\u003e\n\u003cli\u003eFrosted flip-up occluder glasses\u003c\/li\u003e\n\u003cli\u003eLorgnette spectacle occluder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned in collaboration with AAPOS (American Association for Pediatric Ophthalmology and Strabismus). The kit builds on the School Nurse Vision Screening Tutorial introduced at NASN in 2010 by pediatric ophthalmologist Kathy Lee, MD, PhD, and NASN nurses.\u003c\/p\u003e","brand":"Good-Lite","offers":[{"title":"Default Title","offer_id":32880047620201,"sku":"000110","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/4578\/6729\/files\/good-lite-aapos-near-distance-vision-screening-kit-31305160491113.jpg?v=1708022878"},{"product_id":"119410","title":"Chart(Distance): Traditional Distance Numbers Wall Chart (20ft\/6m)","description":"\u003cp\u003eA traditional Distance Numbers Chart with line sizes from 20\/100 to 20\/10. The top line is for testing at 200ft (61M). 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